Title :
NRC-METAS-PTB Collaboration Part 3: Frequency, Current and Field Dependence in the Quantized Hall and Longitudinal Ac Resistance
Author :
Overney, Frederic ; Wood, Barry M. ; Schurr, Jurgen ; Jeanneret, Blaise
Author_Institution :
Swiss Fed. Office of Metrol. & Accreditation, Bern-Wabern
Abstract :
To improve the consistency of AC quantized Hall resistance (QHR) measurements, the NRC, PTB and METAS have formed a collaboration. A study of the influences of the measurement apparatus on the AC QHR measurement results was presented. Preliminary results of the shape of plateau i = 2, measured at different laboratories, as well as the effect of the back-gate on the plateaus measured on a PTB sample are presented
Keywords :
electric resistance measurement; electric variables measurement; instruments; quantum Hall effect; AC quantized Hall resistance measurements; NRC-METAS-PTB; National Research Council; Physikalisch-Technische Bundesanstalt; Swiss Federal Office of Metrology and Accreditation; back-gate effect; current dependence; field dependence; frequency dependence; longitudinal AC resistance; measurement apparatus; plateau shape; Bridges; Collaboration; Electrical resistance measurement; Frequency dependence; Frequency measurement; Laboratories; Magnetic field measurement; Metrology; Particle measurements; Shape measurement;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2004 Conference on
Conference_Location :
London
Print_ISBN :
0-7803-8494-6
Electronic_ISBN :
0-7803-8494-6
DOI :
10.1109/CPEM.2004.305568
